package net.minecraft.util;

import com.google.common.collect.Lists;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;

public class CombatTracker {
	private final List<CombatEntry> combatEntries = Lists.<CombatEntry>newArrayList();

	/** The entity tracked. */
	private final EntityLivingBase fighter;
	private int field_94555_c;
	private int field_152775_d;
	private int field_152776_e;
	private boolean field_94552_d;
	private boolean field_94553_e;
	private String field_94551_f;

	public CombatTracker(EntityLivingBase fighterIn) {
		this.fighter = fighterIn;
	}

	public void func_94545_a() {
		this.func_94542_g();

		if (this.fighter.isOnLadder()) {
			Block block = this.fighter.worldObj.getBlockState(
					new BlockPos(this.fighter.posX, this.fighter.getEntityBoundingBox().minY, this.fighter.posZ))
					.getBlock();

			if (block == Blocks.ladder) {
				this.field_94551_f = "ladder";
			} else if (block == Blocks.vine) {
				this.field_94551_f = "vines";
			}
		} else if (this.fighter.isInWater()) {
			this.field_94551_f = "water";
		}
	}

	/**
	 * Adds an entry for the combat tracker
	 */
	public void trackDamage(DamageSource damageSrc, float healthIn, float damageAmount) {
		this.reset();
		this.func_94545_a();
		CombatEntry combatentry = new CombatEntry(damageSrc, this.fighter.ticksExisted, healthIn, damageAmount,
				this.field_94551_f, this.fighter.fallDistance);
		this.combatEntries.add(combatentry);
		this.field_94555_c = this.fighter.ticksExisted;
		this.field_94553_e = true;

		if (combatentry.isLivingDamageSrc() && !this.field_94552_d && this.fighter.isEntityAlive()) {
			this.field_94552_d = true;
			this.field_152775_d = this.fighter.ticksExisted;
			this.field_152776_e = this.field_152775_d;
			this.fighter.sendEnterCombat();
		}
	}

	public IChatComponent getDeathMessage() {
		if (this.combatEntries.size() == 0) {
			return new ChatComponentTranslation("death.attack.generic", new Object[] { this.fighter.getDisplayName() });
		} else {
			CombatEntry combatentry = this.func_94544_f();
			CombatEntry combatentry1 = (CombatEntry) this.combatEntries.get(this.combatEntries.size() - 1);
			IChatComponent ichatcomponent1 = combatentry1.getDamageSrcDisplayName();
			Entity entity = combatentry1.getDamageSrc().getEntity();
			IChatComponent ichatcomponent;

			if (combatentry != null && combatentry1.getDamageSrc() == DamageSource.fall) {
				IChatComponent ichatcomponent2 = combatentry.getDamageSrcDisplayName();

				if (combatentry.getDamageSrc() != DamageSource.fall
						&& combatentry.getDamageSrc() != DamageSource.outOfWorld) {
					if (ichatcomponent2 != null
							&& (ichatcomponent1 == null || !ichatcomponent2.equals(ichatcomponent1))) {
						Entity entity1 = combatentry.getDamageSrc().getEntity();
						ItemStack itemstack1 = entity1 instanceof EntityLivingBase
								? ((EntityLivingBase) entity1).getHeldItem()
								: null;

						if (itemstack1 != null && itemstack1.hasDisplayName()) {
							ichatcomponent = new ChatComponentTranslation("death.fell.assist.item", new Object[] {
									this.fighter.getDisplayName(), ichatcomponent2, itemstack1.getChatComponent() });
						} else {
							ichatcomponent = new ChatComponentTranslation("death.fell.assist",
									new Object[] { this.fighter.getDisplayName(), ichatcomponent2 });
						}
					} else if (ichatcomponent1 != null) {
						ItemStack itemstack = entity instanceof EntityLivingBase
								? ((EntityLivingBase) entity).getHeldItem()
								: null;

						if (itemstack != null && itemstack.hasDisplayName()) {
							ichatcomponent = new ChatComponentTranslation("death.fell.finish.item", new Object[] {
									this.fighter.getDisplayName(), ichatcomponent1, itemstack.getChatComponent() });
						} else {
							ichatcomponent = new ChatComponentTranslation("death.fell.finish",
									new Object[] { this.fighter.getDisplayName(), ichatcomponent1 });
						}
					} else {
						ichatcomponent = new ChatComponentTranslation("death.fell.killer",
								new Object[] { this.fighter.getDisplayName() });
					}
				} else {
					ichatcomponent = new ChatComponentTranslation(
							"death.fell.accident." + this.func_94548_b(combatentry),
							new Object[] { this.fighter.getDisplayName() });
				}
			} else {
				ichatcomponent = combatentry1.getDamageSrc().getDeathMessage(this.fighter);
			}

			return ichatcomponent;
		}
	}

	public EntityLivingBase func_94550_c() {
		EntityLivingBase entitylivingbase = null;
		EntityPlayer entityplayer = null;
		float f = 0.0F;
		float f1 = 0.0F;

		for (CombatEntry combatentry : this.combatEntries) {
			if (combatentry.getDamageSrc().getEntity() instanceof EntityPlayer
					&& (entityplayer == null || combatentry.func_94563_c() > f1)) {
				f1 = combatentry.func_94563_c();
				entityplayer = (EntityPlayer) combatentry.getDamageSrc().getEntity();
			}

			if (combatentry.getDamageSrc().getEntity() instanceof EntityLivingBase
					&& (entitylivingbase == null || combatentry.func_94563_c() > f)) {
				f = combatentry.func_94563_c();
				entitylivingbase = (EntityLivingBase) combatentry.getDamageSrc().getEntity();
			}
		}

		if (entityplayer != null && f1 >= f / 3.0F) {
			return entityplayer;
		} else {
			return entitylivingbase;
		}
	}

	private CombatEntry func_94544_f() {
		CombatEntry combatentry = null;
		CombatEntry combatentry1 = null;
		int i = 0;
		float f = 0.0F;

		for (int j = 0; j < this.combatEntries.size(); ++j) {
			CombatEntry combatentry2 = (CombatEntry) this.combatEntries.get(j);
			CombatEntry combatentry3 = j > 0 ? (CombatEntry) this.combatEntries.get(j - 1) : null;

			if ((combatentry2.getDamageSrc() == DamageSource.fall
					|| combatentry2.getDamageSrc() == DamageSource.outOfWorld) && combatentry2.getDamageAmount() > 0.0F
					&& (combatentry == null || combatentry2.getDamageAmount() > f)) {
				if (j > 0) {
					combatentry = combatentry3;
				} else {
					combatentry = combatentry2;
				}

				f = combatentry2.getDamageAmount();
			}

			if (combatentry2.func_94562_g() != null
					&& (combatentry1 == null || combatentry2.func_94563_c() > (float) i)) {
				combatentry1 = combatentry2;
			}
		}

		if (f > 5.0F && combatentry != null) {
			return combatentry;
		} else if (i > 5 && combatentry1 != null) {
			return combatentry1;
		} else {
			return null;
		}
	}

	private String func_94548_b(CombatEntry p_94548_1_) {
		return p_94548_1_.func_94562_g() == null ? "generic" : p_94548_1_.func_94562_g();
	}

	public int func_180134_f() {
		return this.field_94552_d ? this.fighter.ticksExisted - this.field_152775_d
				: this.field_152776_e - this.field_152775_d;
	}

	private void func_94542_g() {
		this.field_94551_f = null;
	}

	/**
	 * Resets this trackers list of combat entries
	 */
	public void reset() {
		int i = this.field_94552_d ? 300 : 100;

		if (this.field_94553_e
				&& (!this.fighter.isEntityAlive() || this.fighter.ticksExisted - this.field_94555_c > i)) {
			boolean flag = this.field_94552_d;
			this.field_94553_e = false;
			this.field_94552_d = false;
			this.field_152776_e = this.fighter.ticksExisted;

			if (flag) {
				this.fighter.sendEndCombat();
			}

			this.combatEntries.clear();
		}
	}

	/**
	 * Returns EntityLivingBase assigned for this CombatTracker
	 */
	public EntityLivingBase getFighter() {
		return this.fighter;
	}
}
